3ONZ

Human tetrameric hemoglobin: proximal nitrite ligand at beta


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIQUID DIFFUSION7.1295sodium phospahte, potassium phosphate, toluene, nitrite, hemoglobin, pH 7.1, LIQUID DIFFUSION, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.2144.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.27α = 90
b = 53.27β = 90
c = 193.62γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IIOsmic2007-10-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.0946.795.59.4165671656722
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.092.290.70.4054.69.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1LJW2.08726.6351.42165671654085694.590.22120.21810.2796
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-0.6842-0.68421.3683
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.428
f_angle_d1.06
f_chiral_restr0.064
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2076
Nucleic Acid Atoms
Solvent Atoms95
Heterogen Atoms120

Software

Software
Software NamePurpose
CrystalCleardata collection
PHASERphasing
PHENIXrefinement
d*TREKdata reduction
d*TREKdata scaling